Finding the Third Proportional to 4,378 and 10,124.50

Step by Step Solution

1. Step 1: Write the proportion equation
   4,378 : 10,124.50 = 10,124.50 : x
2. Step 2: Convert to fraction form
   4,378/10,124.50 = 10,124.50/x
3. Step 3: Cross multiply
   4,378x = 10,124.50 × 10,124.50
4. Step 4: Simplify right side
   4,378x = 102,505,500.25
5. Step 5: Solve for x
   x = 102,505,500.25/4,378
6. Step 6: Final answer
   x = 23,413.77